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  • Detailed explanation of javascript array

    Detailed explanation of javascript array

    If you are an experienced developer, you may think that this question is simple, but sometimes we will find this question more interesting. First, let's take a look at the definition of the array: "An array is just a list of values ​​which can be
    2025-04-08
  • Example of a native JavaScript implementation merge multiple arrays

    Example of a native JavaScript implementation merge multiple arrays

    1. The code of copying code in native JavaScript is as follows: var array1 = ["a", "b"];var array2 = ["c", "d"]; I want to merge and become the following: the code of copying code is as follows:
    2025-04-08
  • Recommended Node.JS backend frameworks in 2014

    Recommended Node.JS backend frameworks in 2014

    The Node.js framework is a javascript framework that can help you establish website application services. It can help you develop web applications faster. Node.js is a Chrome-based JavaScript running environment. It can easily build fast and scalable netw
    2025-04-08
  • HTML form tagging tutorial (4):

    HTML form tagging tutorial (4):

    Suppose you want to add something like this to the form now: browse the city you are in. Let’s not talk about the whole country, but only dozens of cities above the provincial capital. If the radio button form mentioned above is listed all these cities on
    2025-04-08
  • html5 Canvas drawing tutorial (1) - Basic knowledge of drawing

    html5 Canvas drawing tutorial (1) - Basic knowledge of drawing

    Although everyone calls Canvas a new tag for HTML5/">html5, it seems that Canvas belongs to the new knowledge of the html language, but in fact, Canvas drawing is done through Javascript. Therefore, if you want to learn Canvas drawing, you must ha
    2025-04-08
  • html5 canvas-2. Make a small game of guessing letters with canvas

    html5 canvas-2. Make a small game of guessing letters with canvas

    Today we are going to use canvas to create a small game of guessing letters, and let’s first draw the renderings. The game design is very simple. The system will randomly select one of the 26 letters of az and save it. When you enter a letter on the keybo
    2025-04-08
  • HTML table markup tutorial (40): Dark border color attribute of table header BORDERCOLORDARK

    HTML table markup tutorial (40): Dark border color attribute of table header BORDERCOLORDARK

    In the header, dark border colors can be defined separately. Basic syntax<TH Bordercolordark=color_VALUE> When defining colors, you can use English color names or hexadecimal color values ​​to express them. File example: 10-38.htm Set the color of the dar
    2025-04-08
  • Several methods and advantages and disadvantages of JS merge arrays

    Several methods and advantages and disadvantages of JS merge arrays

    This article belongs to the basic skills of JavaScript. We will learn various common methods of combining/merging two JS arrays and compare the advantages and disadvantages of various methods. Let’s first look at the specific scenario: the copy code code
    2025-04-08
  • Coding specifications for head area

    Coding specifications for head area

    The head area we are talking about here refers to the page html code<head> and</head> content between. In the article on 52css.com, a large amount of CSS knowledge is mainly introduced, but not a lot of knowledge about html pages is introduced. Today we b
    2025-04-08
  • js uses for loop and if statement to determine multiple same names

    js uses for loop and if statement to determine multiple same names

    var items = document.getElementsByName("spec_spec_1[]");alert(items.length);for (i = 0; i < items.length; i++) {if(items
    2025-04-08
  • HTML Table Tag Tutorial (25): Vertical Alignment Properties of Rows VALIGN

    HTML Table Tag Tutorial (25): Vertical Alignment Properties of Rows VALIGN

    In the vertical direction, the alignment of rows can be set, including top, center and bottom. Basic syntax<TR VALIGN=TOP><TR VALIGN=MIDDLE><TR VALIGN=BOTTOM> The top syntax interpretation is MIDDL
    2025-04-08
  • HTML5 language: AppleOperaMozilla will support it

    HTML5 language: AppleOperaMozilla will support it

    Some netizens said that HTML5 is the structural language of the next generation. I thought he was a joke, but I didn't care much about it. I suddenly found out today that "I don't think XHTML is a realistic option for the masses. HTML5 is it.
    2025-04-08
  • JavaScript Learning Notes (Eight) Regular Expressions

    JavaScript Learning Notes (Eight) Regular Expressions

    Basic concepts Regular expressions are text patterns that include normal characters (for example, letters between a to z) and special characters (called "metachars"). The pattern describes one or more strings to match when searching for text. Fi
    2025-04-08
  • Node.js installation tutorial and NPM package manager usage detailed explanation

    Node.js installation tutorial and NPM package manager usage detailed explanation

    At the 2009 JSCONf conference, a young programmer named Ryan Dahl showed people a project he was working on, a JavaScript running platform based on Google V8 engine, which provides a set of event loops and low IO application programming interfaces (APIs).
    2025-04-08
  • Teach you the basics of XML Web Service SOAP

    Teach you the basics of XML Web Service SOAP

    XML Web Service is the basic building block for distributed computing on the Internet. Open standards and focus on communication and collaboration between users and applications create an environment in which XML Web Service becomes a platform for applica
    2025-04-08
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